/*
 * Copyright (c) 2023 WEMIRR-PLATFORM Authors. All Rights Reserved.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.fits.gateway.utils;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * @author Levin
 */
@Slf4j
public class MonoHelper {
    
    public static Mono<Void> wrap(ServerWebExchange exchange, String message) {
        ServerHttpResponse response = exchange.getResponse();
        response.setStatusCode(HttpStatus.SERVICE_UNAVAILABLE);
        response.getHeaders().set(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE);
        JSONObject result = new JSONObject();
        result.put("code", HttpStatus.SERVICE_UNAVAILABLE.value());
        result.put("message", message);
        result.put("successful", false);
        result.put("timestamp", System.currentTimeMillis());
        log.warn("[错误信息] - [{}]", result.toJSONString());
        return response.writeWith(Mono.just(response.bufferFactory().wrap(JSON.toJSONBytes(result))));
    }
    
}
